Spielberg, Freya; Critchlow, Cathy; Vittinghoff, Eric; Coletti, Anne Schwartz; Sheppard, Haynes; Mayer, Kenneth H.; Metzger, David; Judson, Franklyn N.; Buchbinder, Susan; Chesney, Margaret; Gross, Michael; for the HIV Early Detection Study Group
AIDS. 14(12):1819-1828, August 18, 2000.